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1 | /* |
2 | * net/dccp/ccids/ccid2.h | |
3 | * | |
4 | * Copyright (c) 2005 Andrea Bittau <a.bittau@cs.ucl.ac.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | #ifndef _DCCP_CCID2_H_ | |
21 | #define _DCCP_CCID2_H_ | |
22 | ||
23 | struct ccid2_seq { | |
24 | u64 ccid2s_seq; | |
25 | unsigned long ccid2s_sent; | |
26 | int ccid2s_acked; | |
27 | struct ccid2_seq *ccid2s_prev; | |
28 | struct ccid2_seq *ccid2s_next; | |
29 | }; | |
30 | ||
31 | /** struct ccid2_hc_tx_sock - CCID2 TX half connection | |
32 | * | |
33 | * @ccid2hctx_ssacks - ACKs recv in slow start | |
34 | * @ccid2hctx_acks - ACKS recv in AI phase | |
35 | * @ccid2hctx_sent - packets sent in this window | |
36 | * @ccid2hctx_lastrtt -time RTT was last measured | |
37 | * @ccid2hctx_arsent - packets sent [ack ratio] | |
38 | * @ccid2hctx_ackloss - ack was lost in this win | |
39 | * @ccid2hctx_rpseq - last consecutive seqno | |
40 | * @ccid2hctx_rpdupack - dupacks since rpseq | |
41 | */ | |
42 | struct ccid2_hc_tx_sock { | |
43 | int ccid2hctx_cwnd; | |
44 | int ccid2hctx_ssacks; | |
45 | int ccid2hctx_acks; | |
46 | int ccid2hctx_ssthresh; | |
47 | int ccid2hctx_pipe; | |
48 | int ccid2hctx_numdupack; | |
49 | struct ccid2_seq *ccid2hctx_seqbuf; | |
50 | struct ccid2_seq *ccid2hctx_seqh; | |
51 | struct ccid2_seq *ccid2hctx_seqt; | |
52 | long ccid2hctx_rto; | |
53 | long ccid2hctx_srtt; | |
54 | long ccid2hctx_rttvar; | |
55 | int ccid2hctx_sent; | |
56 | unsigned long ccid2hctx_lastrtt; | |
57 | struct timer_list ccid2hctx_rtotimer; | |
58 | unsigned long ccid2hctx_arsent; | |
59 | int ccid2hctx_ackloss; | |
60 | u64 ccid2hctx_rpseq; | |
61 | int ccid2hctx_rpdupack; | |
62 | int ccid2hctx_sendwait; | |
63 | }; | |
64 | ||
65 | struct ccid2_hc_rx_sock { | |
66 | int ccid2hcrx_data; | |
67 | }; | |
68 | ||
69 | #endif /* _DCCP_CCID2_H_ */ |